423866603 has 2 divisors, whose sum is σ = 423866604. Its totient is φ = 423866602.

The previous prime is 423866591. The next prime is 423866647. The reversal of 423866603 is 306668324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423866603 - 2⁸ = 423866347 is a prime.

It is a super-3 number, since 3×423866603³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423866203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211933301 + 211933302.

It is an arithmetic number, because the mean of its divisors is an integer number (211933302).

Almost surely, 2^423866603 is an apocalyptic number.

423866603 is a deficient number, since it is larger than the sum of its proper divisors (1).

423866603 is an equidigital number, since it uses as much as digits as its factorization.

423866603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 423866603 is about 20588.0208616564. The cubic root of 423866603 is about 751.1783568491.

The spelling of 423866603 in words is "four hundred twenty-three million, eight hundred sixty-six thousand, six hundred three".